WordPress to Posterous cross-posting plugin.
This plugin allows you to crosspost your entries to mixi.
Xpost allows you to crosspost your posts to other WordPress blogs and to Community Server.
LJ-XP-SW a plugin, that has the ability to crosspost a blog text to your LiveJournal (or LiveJournal-based clone) account in safe way.
Appends the post author's display name to posts. Useful for multi-author blogs that are crossposted elsewhere, such as LiveJournal or Facebook.
This plugins adds a widget with the latest posts from your forum.
LiveInternet crossposting plugin
Automatically, cross-posting to assiciated site/blog to enabling the post-via-email option with PIN code e.g. multiply.com, livejournal.com, blogspot.
Wordpress to MySpace allows you to update your Myspace status with the title of your latest WordPress blog post.
Automatically copies all posts to a LiveJournal or other LiveJournal-based blog (exclude text in shortcode [nocrosspost]smth[/nocrosspost] - buttons f
Automatically synchronizes comments from Your LiveJournal blog with Your stand-alone WordPress-based blog.
Plugin integrates SMI2.RU services
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